Prep + Prime Skin Base Visage

MAC Cosmetics

Prep + Prime Skin Base Visage

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About this product

The MAC Cosmetics Prep + Prime Skin Base Visage is a misc. Our analysis of its 39 ingredients (34 low-risk) rates it Excellent (99/100). Based on its ingredients, it looks well-suited to oily / acne-prone, dry, and sensitive skin.

Vegan-friendly Reef-safe

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Misc
Ingredients
39
Low-risk
34
Fragrance
Fragrance-free
Origin
United States

The evidence

Quick Product Notes

Paraben-Free Sulfate-Free Alcohol-Free Silicone-Free EU Allergen-Free Fungal Acne (Malassezia) Safe

Notable Effects & Ingredients

No Notable Effects & Ingredients

Ingredients Related to Skin Types

Good   Bad — tap a skin type to see which ingredients · estimated from ingredient functions
Dry Skin 10/6
Good for dry skin
Algae Extract Saccharide Isomerate Sucrose Caprylyl Glycol Butylene Glycol Sodium Hyaluronate Scutellaria Baicalensis Root Extract Camellia Sinensis Leaf Extract Dimethicone Cyclopentasiloxane
Caution for dry skin
Hexylene Glycol Scutellaria Baicalensis Root Extract Alumina Camellia Sinensis Leaf Extract Polysorbate 20 Silica
Oily/Acne-Prone Skin 3/0
Good for oily/acne-prone skin
Magnesium Ascorbyl Phosphate Scutellaria Baicalensis Root Extract Camellia Sinensis Leaf Extract
Sensitive Skin 9/7
Good for sensitive skin
Hypnea Musciformis Extract Magnesium Ascorbyl Phosphate Laminaria Saccharina Extract Sucrose Scutellaria Baicalensis Root Extract Gelidiella Acerosa Extract Camellia Sinensis Leaf Extract Dimethicone Tocopheryl Acetate
Caution for sensitive skin
Algae Extract Caffeine Butylene Glycol Hexylene Glycol Camellia Sinensis Leaf Extract Potassium Sorbate Phenoxyethanol

Ingredients list

39 total
Lower hazard (1) Higher hazard (4)
All39 Skin Conditioning20 Humectant8 Fragrance6 Skin Protecting6 Colorant5 Viscosity Controlling5 Solvent5 Emollient5
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
Water
(Solvent)
3
A
Cyclopentasiloxane
(Hair Conditioning, Skin Conditioning, Emollient, Solvent)
Silicone
Silicone
3
A
Dimethicone
(Antifoaming Agent, Skin Protecting, Emollient, Skin Conditioning)
Silicone
Silicone
1
Polysilicone-11
(Film Forming)
3
Tocopheryl Acetate
(Antioxidant, Skin Conditioning)
Bad for Oily Skin
Bad for Oily Skin
1
A
Sodium Hyaluronate
(Skin Conditioning, Humectant)
Good for Dry Skin
Good for Dry Skin
1
B
Camellia Sinensis Leaf Extract
(Antimicrobial, Antioxidant, Astringent, Emollient, Humectant, Masking, Oral Care Agent, Skin Conditioning, Skin Protecting, Tonic, Uv Absorber)
Good for Oily Skin
Good for Oily Skin
1
Gelidiella Acerosa Extract
(Skin Protecting)
1
Morus Bombycis Root Extract
(Skin Conditioning)
1
Hypnea Musciformis Extract
(Skin Protecting)
Vitis Vinifera Fruit Extract
(Skin Conditioning)
Poria Cocos Sclerotium Extract
(Astringent)
1
Scutellaria Baicalensis Root Extract
(Astringent, Humectant, Soothing)
1
Laminaria Saccharina Extract
(Skin Protecting)
1
Algae Extract
(Fragrance, Humectant, Oral Care Agent, Skin Conditioning, Emollient)
1
Caffeine
(Fragrance, Skin Conditioning, Masking)
1
2
A
Silica
(Abrasive, Absorbent, Anticaking Agent, Bulking Agent, Opacifying, Viscosity Controlling)
1
Isopentyldiol
(Solvent)
1
A
Sucrose
(Flavoring Agent, Humectant, Skin Conditioning, Soothing)
1
Saccharide Isomerate
(Humectant)
2
A
Alumina
(Abrasive, Absorbent, Anticaking Agent, Bulking Agent, Opacifying, Viscosity Controlling)
1
A
HDI/Trimethylol Hexyllactone Crosspolymer
(Anticaking Agent)
1
A
Magnesium Myristate
(Anticaking Agent, Slip Modifier, Viscosity Increasing Agent, Opacifying, Viscosity Controlling)
3
B
Polysorbate 20
(Emulsifying, Surfactant)
Fungal Acne
Fungal Acne Trigger
3
A
PEG/PPG-18/18 Dimethicone
(Emulsifying)
1
Ammonium Acryloyldimethyltaurate/VP Copolymer
(Viscosity Controlling)
1
Triethoxycaprylylsilane
(Binding Agent, Binding)
1
A
Butylene Glycol
(Fragrance, Skin Conditioning, Solvent, Viscositydecreasing Agent, Humectant, Masking, Viscosity Controlling)
Good for Dry Skin
Good for Dry Skin
1
A
Caprylyl Glycol
(Hair Conditioning, Skin Conditioning, Emollient, Humectant)
1
A
Hexylene Glycol
(Fragrance, Solvent, Viscosity Decreasing Agent, Emulsifying, Perfuming, Skin Conditioning, Surfactant)
1
A
Magnesium Ascorbyl Phosphate
(Antioxidant)
3
A
Potassium Sorbate
(Fragrance, Preservative)
4
A
Phenoxyethanol
(Fragrance, Preservative)
Paraben
Paraben
2
Mica
(Cosmetic Colorant, Opacifying)
CI 77891
(Colorant)
1
2
CI 77491
(Colorant, Cosmetic Colorant)
1
CI 77492
(Colorant, Cosmetic Colorant)
2
CI 77499
(Colorant, Cosmetic Colorant)
CI 77163
(Colorant)

My Ingredient Notes

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Key ingredients

Cyclopentasiloxane
Skin Conditioning, Emollient
Dimethicone
Skin Protecting, Emollient
Tocopheryl Acetate
Antioxidant, Skin Conditioning
Sodium Hyaluronate
Skin Conditioning, Humectant
Camellia Sinensis Leaf Extract
Antioxidant, Astringent
Gelidiella Acerosa Extract
Skin Protecting

Benefits

Good for dry skin
Good for oily/acne-prone skin
Good for sensitive skin

Concerns

Contains paraben
Contains silicone
Not fungal acne (malassezia) safe

Ingredients explained

Water
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 Solvent
Polysilicone-11
Film forming
Low-hazard ingredient.Read moreShow less
EWG 1 Film forming
Gelidiella Acerosa Extract
Skin protecting
Low-hazard ingredient.Read moreShow less
EWG 1 Skin protecting
Morus Bombycis Root Extract
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
Hypnea Musciformis Extract
Skin protecting
Low-hazard ingredient.Read moreShow less
EWG 1 Skin protecting
Vitis Vinifera Fruit Extract
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
Poria Cocos Sclerotium Extract
Astringent
Limited public safety data.Read moreShow less
EWG N/A Astringent
Scutellaria Baicalensis Root Extract
Astringent, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 AstringentHumectantSoothing
Laminaria Saccharina Extract
Skin protecting
Low-hazard ingredient.Read moreShow less
EWG 1 Skin protecting
Algae Extract
Fragrance, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 FragranceHumectantOral care agentSkin conditioningEmollient
Caffeine
Fragrance, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 FragranceSkin conditioningMasking
Silica
Abrasive, Absorbent
Low-hazard ingredient.Read moreShow less
EWG 1–2 CIR A AbrasiveAbsorbentAnticaking agentBulking agentOpacifyingViscosity controlling
Isopentyldiol
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 Solvent
Sucrose
Flavoring agent, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Flavoring agentHumectantSkin conditioningSoothing
Saccharide Isomerate
Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 Humectant
+ 16 more — see the full ingredients list above
Cyclopentasiloxane
Hair conditioning, Skin conditioning
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR A Hair conditioningSkin conditioningEmollientSolvent Silicone
Dimethicone
Antifoaming agent, Skin protecting
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR A Antifoaming agentSkin protectingEmollientSkin conditioning Silicone
Tocopheryl Acetate
Antioxidant, Skin conditioning
Potentially comedogenic - can block poresRead moreShow less
EWG 3 AntioxidantSkin conditioning Bad for Oily Skin
Sodium Hyaluronate
Skin conditioning, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningHumectant Good for Dry Skin
Camellia Sinensis Leaf Extract
Antimicrobial, Antioxidant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B AntimicrobialAntioxidantAstringentEmollientHumectantMaskingOral care agentSkin conditioningSkin protectingTonicUv absorber Good for Oily Skin
Polysorbate 20
Emulsifying, Surfactant
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR B EmulsifyingSurfactant Fungal-acne trigger
Butylene Glycol
Fragrance, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A FragranceSkin conditioningSolventViscositydecreasing agentHumectantMaskingViscosity controlling Good for Dry Skin
Phenoxyethanol
Fragrance, Preservative
Low-to-moderate hazard.Read moreShow less
EWG 4 CIR A FragrancePreservative Paraben

How to use

How to use

  • 1 Morning only: Apply as the last step of your AM routine, after moisturiser, and reapply every ~2 hours of sun exposure.

General guidance from this product's category and active ingredients — always follow the directions on the package.

Trust & honesty

Effective levels — general guide

The concentrations these actives are typically effective at in research — not a measurement of this product.

Vitamin C (ascorbic) 5–20%

L-ascorbic acid is usually used at 5–20% (around 10–15% is common). Above ~20% adds little and tends to irritate more; it also needs a low pH to work.

Magnesium Ascorbyl Phosphate

INCI lists don't disclose amounts, and we don't claim to know this product's levels — these are the ranges these ingredients are usually effective at, so you can tell a real formula from "fairy-dusting" a marketed active. How we estimate this.

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